388996928

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{2203}}^1$

素因数の和:2335

約数の個数: 56

約数和(自身を含む): 806135040

約数和(自身を除く): 417138112

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 89, 124, 178, 248, 356, 496, 712, 992, 1424, 1984, 2203, 2759, 2848, 4406, 5518, 5696, 8812, 11036, 17624, 22072, 35248, 44144, 68293, 70496, 88288, 136586, 140992, 176576, 196067, 273172, 392134, 546344, 784268, 1092688, 1568536, 2185376, 3137072, 4370752, 6078077, 6274144, 12156154, 12548288, 24312308, 48624616, 97249232, 194498464, 388996928]

約数ペア:

[(1, 388996928), (2, 194498464), (4, 97249232), (8, 48624616), (16, 24312308), (31, 12548288), (32, 12156154), (62, 6274144), (64, 6078077), (89, 4370752), (124, 3137072), (178, 2185376), (248, 1568536), (356, 1092688), (496, 784268), (712, 546344), (992, 392134), (1424, 273172), (1984, 196067), (2203, 176576), (2759, 140992), (2848, 136586), (4406, 88288), (5518, 70496), (5696, 68293), (8812, 44144), (11036, 35248), (17624, 22072)]